Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing my new design; and,

FIG. 2 is another front view thereof, as shown in a display screen environment.

The dot-dash lines in FIG. 1 define the bounds of the claimed design and form no part thereof. The outer perimeter broken lines showing of the display screen or portion thereof and all other broken lines showing of portions of the graphical user interface are included for the purpose of illustrating portions of the article & form no part of the claimed design. 

CLAIM I claim, the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 